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time-mcp-http

by thekk1
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Python
Remote

time-mcp-http

The official modelcontextprotocol/servers time server (get_current_time, convert_time) re-hosted over streamable HTTP instead of stdio — so it can run as a plain Docker service reachable over HTTP, instead of needing LibreChat to spawn a local subprocess.

The tool logic (timezone math, schemas) is imported straight from the installed mcp-server-time package (TimeServer/TimeTools) — only the transport is different, so pip install --upgrade mcp-server-time still picks up upstream fixes.

Why this exists

A calling assistant has no built-in sense of "now" — it can misread an ISO timestamp's UTC offset, or simply not know what day it is. Giving it an explicit, callable, on-demand tool is more reliable than trying to inject ambient date/time into every system prompt (LibreChat's Agents endpoint doesn't support that natively as of 2026-08).

Related MCP server: Now MCP

Run

docker build -t time-mcp-http .
docker run --rm -p 8080:8080 -e LOCAL_TIMEZONE=Europe/Berlin time-mcp-http

LOCAL_TIMEZONE (IANA name, e.g. Europe/Berlin) only fills in the tool-description text ("use this as local timezone if the user doesn't specify one") — every call still takes an explicit timezone argument. If unset or invalid, it falls back to UTC rather than failing to boot.

No credentials, no per-user state, no MCP_API_KEY — deliberately: a 401 from any gate makes LibreChat's non-OAuth MCP client try (and get stuck on) OAuth. Docker network isolation is the boundary here, not an API key.

Test

pip install -e '.[dev]'
LOCAL_TIMEZONE=Europe/Berlin pytest

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

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